【正文】 yuan for his breakfast yesterday. 4) cost 多表示花費金錢，主語通常是物，常用于 sth. cost(s) (sb.) some money. 句型 。 (喝酒的量到了一定程度，不能再繼續(xù)下去了。 4. If their numbers drop too low, it will bring danger to all ocean life. 如果它們的數(shù)目降至過低，會給所有海洋生物帶來危險。 be used to doing sth. 表示習(xí)慣于做某事。 2. …save electricity by turning off the lights when you leave a room. turning off 關(guān)掉 . Please turn the television off before you go to bed. 睡覺前請關(guān)掉電視。 The lid, turned upside down, served as a coffee table. 那個蓋子被翻過來當(dāng)作咖啡桌。 not only。 7. The theme park to show people the importance of environmental protection. importance 是 important 的名詞。 put to good use。 3. She lives in a house in the UK that she built herself out of rubbish. build/make ... out of 用 …… 建造 /制造 . He built a model ship out of wood. 他用木頭造了個模型船。 ride your bike or walk to school or work。 ③ 鯊魚處于海 洋食物鏈的頂部。 3. Sharks are at the top of the food chain in the ocean’s ecosystem. 鯊魚位于海洋生物系統(tǒng)食物鏈的頂部。 no longer 和 not…any longer 側(cè)重時間。 cost take， spend， pay 和 cost 都可以表示 “花費 ”，但它們的用法各有不同。 2. Here are some words related to different kinds of pollution. be related to 與 … 有關(guān) . I am not related to him in any way. 我和他無任何關(guān)系。 3. Everyone in this town should play a part in cleaning it up! play a part in 在 …… 方面起作用 . A good diet plays a large part in helping people live longer. 健康的飲食在幫助人們長壽方面起著非常大的作用。 1) take 多表示花費時間，常用于 It takes sb. some time to do ，其中 it 作形式主語。 . He no longer lives here.= He doesn’t live here any longer. 他不在這兒居住了。 at the top of 在 ...最高地位 。 ④ 許多人相信魚翅對健康有好處。 stop using paper napkins。 Some birds build nests out of twigs. 一些鳥用小枝筑巢 。 built out of。 environmental 是 environment 的形容詞形式。 known for。 . Tony had an upsidedown map of Britain on his wall. 托尼的墻上倒掛了一張英國地圖。 Dancing affords us pleasure. 跳舞給我們帶來快樂。 結(jié)構(gòu) : be (am/is/ are) + 標(biāo)志詞： Look, Listen, now, right now… . Look! The boy is crying. 2. used to do 與 be used to doing used to do sth. 表示過去常常做某事 , 而現(xiàn)在往往不做了 , 后接動詞原形。 He shouted at the top of his voice in order that he might be heard. 他盡力大聲叫喊 , 以便別人能聽見。 ) not…any more 側(cè)重側(cè)重程度和數(shù)量 . You can drink no more. = You can’t drink any more. 你不能再喝了。 . David spent 2,000 yuan on the new machine. My father spends an hour (in) watching the news on TV every day. 3) pay 多表示花費金錢，主語通常是人，常用于 sb. pay(s) some money for 。 4. Even the bottom of the river was full of rubbish. Yes, but people are throwing litter into the river. litter 和 rubbish 都可指 “垃圾 ”，用作不可數(shù)名詞。三、 教學(xué)步驟 : Section A 1 (1a2d) I. Presentation Show the picture of the earth and tell students the earth is polluted now. For example: (1) The factories that burn coal pollute the air with a lot of black smoke. (2) Factories put waste into the river. (3) People should throw away litter in the bin. (4)There are more cars on the road. II. Learning Here are some words related to different kinds of pollution. Write them in the box below. Then add more words. ???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????noise pollution air pollution water pollution ____________ ___________ _____________ ____________ ___________ _____________ ____________ ___________ _____________ ____________ ___________ _____________ Keys : noise pollution loud music planes mobile phones building houses air pollution factories smoking cars building houses water pollution ships rubbish littering factories III. Listening 1. 1b Listen and plete the sentences. ???????????????????????????????????????????????????????????????????? 底部??????????????????????????????????????????????????????????????????????????????漁民 ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????Keys: really dirty rubbish fish litter waste government close down clean up 2. Listen again and check (√ ) the sentences you hear. 1) We could go fishing in the river. 2) The river was really dirty. 3) The river has always been the nicest river in this town. 4) We should ask the teachers for help. Keys: 2 3 IV. Practice 1. Roleplay the conversation in 1c. Mark: The river was dirty. Even the bottom of the river was full of rubbish. Tony: But it used to be so clean! Mark: Yes, but people are throwing litter into the river. Tony: Everyone in this town should play a part in cleaning it up! 2. Make conversations using the pollution in 1a. A: The river has always been the nicest river in this town. B: Yes, it used to be so clean. A: But I was there last weekend and the river was really dirty. B: What caused the problem? A: People are throwing litter into the river. B: What should we do? A: Factories are also putting waste into the river. B: Yes, everyone in this town should play a part. A: We should write to the government and ask them to close down the factories. B: What else can we do? A: Everyone should help to clean up the river. V. Language points 1. We’re trying to save the earth! 我們正在竭盡全力拯救地球 ! try to do =try one’s best to do 努力去做某事。 . The new shirt cost Mr Wang 200 yuan. 王先生花了 200 元買了新襯衫。 no longer 意思是 “不再 ” . I’m no longer a student. 我不再是個學(xué)生了。 be harmful to 對 … 有害 . Smoking is harmful to the health. 吸煙有損健康。 VII. Homework Write 5 measures to protect the environment. Section A 3 (Grammar Focus4c) I. Revision 1. Check if you know these phrases. ① 不同種類的污染 ② 河底 ③ 把垃圾扔到河里 ④ 在 … 中起作用 ⑤ 在中國南部